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Finding the Fourth Proportional to 188,338.82, 282,401.91 and 61,944.89

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Solution

The fourth proportional to 188,338.82, 282,401.91 and 61,944.89 is: 92,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,338.82 : 282,401.91 = 61,944.89 : x
  2. Step 2: Convert to fraction form
    188,338.82/282,401.91 = 61,944.89/x
  3. Step 3: Cross multiply
    188,338.82x = 282,401.91 × 61,944.89
  4. Step 4: Simplify right side
    188,338.82x = 17,493,353,838.73
  5. Step 5: Solve for x
    x = 17,493,353,838.73/188,338.82
  6. Step 6: Final answer
    x = 92,882.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.